Analyze

Problem 15901

1) Let $X=\{x \in \mathbb{Z}:|x| \leq 3\}$ and $Y=\{-3,-2,-1,0,1,2,3\}$ . Then A) $X \subsetneq Y$ B) $X \neq Y$ C) $Y \subsetneq X$ D) $X=Y$ E) NOTA

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Problem 15902

9) Let $X$ be a set of three elements and $\mathcal{P}(X)$ be the power set of $X$ . The digraph for one of the following relations on $\mathcal{P}(X)$ has no loops. A) $A \boldsymbol{R}_{\mathbf{1}} B$ iff $A=B$ B) $A \boldsymbol{R}_{\mathbf{2}} B$ iff $A \neq B$ C) $A \boldsymbol{R}_{\mathbf{3}} B$ iff $A \subseteq B$ D) $A \boldsymbol{R}_{\mathbf{4}} B$ iff $B \subseteq A$ E) NOTA

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Problem 15903

На рынке подсластителей торгуются сироп топинамбура и стевия. Какое значение может принимать перекрёстная эластичность спроса на сироп топинамбура по цене стевии, е? Выберите ВСЕ верные ответы. (Частично правильный вариант не засчитывается!) a. $\mathrm{e}<0$ b. $e>1$ c. $\mathrm{e}=0$ d. $0<e<1$

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Problem 15904

Что вероятнее всего произойдет в экономике в долгосрочном периоде после перманентного повышения доли государственных расходов на потребление в ВВП?
Выберите один ответ: a. рост профицита госбюджета b. снижение уровня безработицы c. увеличение объема выпуска d. повышение темпа инфляции

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Problem 15905

Someone has plotted this scatter graph and you are marking their work.
Write down all of the things on the list that would improve their graph.
List of possible improvements Draw lines between the points Add units to the axis labels Make the horizontal axis go up to 40 Make the vertical axis go up to 400 Make all the points different colours

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Problem 15906

18) $\frac{(x+9)^{2}}{81}+\frac{(y-5)^{2}}{36}=1$

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Problem 15907

Period: The formula for the amount of money in an account paying compound interest is: $A=P\left(1+\frac{r}{n}\right)^{n t}$
13. Write an equation that models the amount of money in an account that pays $2.5 \%$ annual interest, compounded quarterly, with an initial investment of \ $1,000.$ A=\qquad$
Graph each function.
14. $f(x)=-2+\log _{2}(x+1)$
15. $f(x)=(x+2)^{3}-4$

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Problem 15908

\begin{tabular}{|r|r|} \hline $x$ & $y$ \\ \hline-2 & -4 \\ \hline-1 & -3 \\ \hline 0 & -2 \\ \hline 1 & -1 \\ \hline 2 & 0 \\ \hline \end{tabular}
Function 3 Function 4 $y=-2 x-4$ The slope is 3 and the $y$ -intercept is 5 .
Answer the following questions. (a) Which function has the graph with a $y$ -intercept closest to 0 ? Function 1 Function 2 Function 3 Function 4 (b) Which functions have graphs with slopes less than 2? (Check all that apply.) Function 1 Function 2 Function 3 Function 4 (c) Which function has the graph with the greatest $y$ -intercept? Function 1 Function 2 Function 3 Function 4

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Problem 15909

rx 5 18) $\Delta$ (8)

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Problem 15910

(2) Find the points of discontinuity of the function $\frac{x^{2}-3 x-4}{x^{3}-2 x^{2}-5 x+6}$

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Problem 15911

Find the intercepts of the line given by $x - 2y = 4$ and use them to graph the line.

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Problem 15912

Identify the property shown: $7(y+2)=7y+14$ . Options: A. associative, B. distributive, C. commutative, D. associative.

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Problem 15913

Identify the property shown: $p \cdot(r \cdot q)=(p \cdot r) \cdot q$ . Choose A, B, C, or D.

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Problem 15914

Identify the property shown: $2c \cdot 1 = 2c$ . Choose from: commutative, distributive, identity, inverse, or associative property.

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Problem 15915

Find the $x$ -intercept and $y$ -intercept of the line $2x + 4y = -8$ and use them to graph the line.

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Problem 15916

Find $(f \circ g)(x)$ , $(g \circ f)(x)$ , and $(f \circ g)(3)$ for $f(x)=2x+1$ and $g(x)=\frac{x+3}{4+x}$ .

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Problem 15917

Find the additive and multiplicative inverses of 8. a) Additive inverse: $-8$ , b) Multiplicative inverse: $\frac{1}{8}$ .

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Problem 15918

Find the additive and multiplicative inverses of $s$ where $s \neq 0$ . What are these inverses?

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Problem 15919

Determine the slope and $y$ -intercept of the line given by the equation $-6x - y = -1$ .

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Problem 15920

Find the additive and multiplicative inverses of 8. a) Additive inverse: $-8$ ; b) Choose: A. $1/8$ or B. No inverse.

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Problem 15921

Find the additive and multiplicative inverses of 8.
a) Additive inverse:
b) Multiplicative inverse: $\frac{1}{8}$

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Problem 15922

Find the equation of the line with a $y$ -intercept of -7 and a slope of $-\frac{1}{3}$ .

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Problem 15923

Find the additive inverse and multiplicative inverse of the expression $-\frac{2}{5}$ .

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Problem 15924

Is the Hotel Capitale's weekly rate of 85,010 RP mid-range compared to \ $125 to \$175? Use$ 1 \mathrm{RP}=\ $0.0147$ to calculate.

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Problem 15925

Identify the property shown: $20c \cdot 1 = 20c$ . Options: inverse, commutative, associative, distributive, identity.

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Problem 15926

Identify the property shown in: $5(z+4)=5z+20$ . Options: A. distributive, B. associative addition, C. associative multiplication, D. commutative multiplication.

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Problem 15927

Identify the property shown by $3 z \cdot \frac{1}{3 z}=1$ . Choose from: A. inverse multiplication B. identity multiplication C. identity addition D. inverse addition.

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Problem 15928

How many rows and columns must matrix $A$ have to map $\mathbb{R}^{8}$ to $\mathbb{R}^{9}$ using $T(x)=A x$ ? A. 9 rows, 9 columns B. 9 rows, 8 columns C. 8 rows, 8 columns D. 8 rows, 9 columns

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Problem 15929

Complete the equation using the distributive property: $7(x+y+3)=$ $7(x+y+3)=7x+7y+21$

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Problem 15930

Name the following ionic compounds: $\mathrm{NH}_{4} \mathrm{OH}$ , $\mathrm{CoCO}_{3}$ , $\mathrm{BaF}_{2}$ , $\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}$ , $\mathrm{Cul}_{2}$ , $\mathrm{Mg}\left(\mathrm{NO}_{3}\right)_{2}$ .

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Problem 15931

Identify the property shown: $q \cdot(p-r)=(q \cdot p) \cdot r$ . Choose: A. addition, B. multiplication commutative, C. multiplication associative, D. distributive.

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Problem 15932

Find the additive and multiplicative inverses of $-\frac{7}{8}$ . a) Additive inverse: $\square$ . b) Multiplicative inverse: A. $\square$ or B. No inverse.

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Problem 15933

Name the following transition metal ions: $\mathrm{Fe}^{3+}$ , $\mathrm{Cu}^{+}$ , $\mathrm{Zn}^{2+}$ , $\mathrm{Fe}^{2+}$ , $\mathrm{Ti}^{4+}$ .

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Problem 15934

Find where the piecewise function $f(x)$ is not continuous:
$f(x)=\left\{\begin{array}{cc} \sin x & x<0 \\ x & 0 \leq x \leq 1 \\ -x+2 & 1<x<2 \\ x-3 & x \geq 2 \end{array}\right.$

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Problem 15935

Identify the first term of the expression $5s + 3$ . Is it a variable or constant term? State the variable and coefficient if it's variable.

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Problem 15936

Identify the second term of the expression $5s + 3$ . Is it a variable or constant term? If variable, state the variable and coefficient.

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Problem 15937

Find the slope of a line perpendicular and a line parallel to $y=-\frac{2}{5} x+8$ .

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Problem 15938

Find the slope of a line parallel and a line perpendicular to $y=3x-7$ .

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Problem 15939

Find the slope of a line perpendicular and parallel to $y=\frac{1}{2} x$ .

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Problem 15940

Graph the function $f(x)=\frac{1}{9} x^{2}$ and find its domain and range.

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Problem 15941

Find the velocity function $v(t)$ for the hummingbird's position $s(t)=-10 t^{3}-t-6$ in feet.

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Problem 15942

Graph the function $f(x)=\frac{1}{9} x^{2}$ and find its domain and range. Choose from A, B, C, or D.

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Problem 15943

\begin{align} f(-6) &= 1, \\ f(-5) &= 3, \\ f(-2) &= 0, \\ f(-1) &= -1, \\ f(0) &= 0, \\ f(4) &= 4, \\ f(6) &= 2, \\ f(8) &= 2. \end{align} Determine if the function $f(x)$ is even, odd, or neither based on the given values.

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Problem 15944

Determine if the car is moving left or right at $t=8$ for the function $s(t)=-4 t^{3}-10 t^{2}+t-4$ .

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Problem 15945

Find the acceleration function $a(t)$ for the particle with position $s(t)=-3t^{2}-t+1$ (in meters) at time $t$ .

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Problem 15946

Determine if the train, described by $s(t)=t^{4}-2 t^{3}-5 t^{2}+3$ , is speeding up or slowing down at $t=2$ seconds.

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Problem 15947

Find the interval(s) where the hummingbird slows down for $s(t)=-t^{3}+9 t^{2}-24 t-4$ , $t \geq 0$ .

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Problem 15948

Graph the function $f(x)=|x+4|-4$ and identify its domain and range.

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Problem 15949

A local delivery company has a cumulative frequency table to show the distance it travels to deliver parcels. Distance (km) Cumulative frequency 0

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Problem 15950

Exercice ( 5 pts ) On considère la suite $U$ définie par $\left\{\begin{array}{c}U_{0}=\frac{2}{3} \\ U_{n+1}=\frac{3 U_{n}+2}{2 U_{n}+3} ; \forall n \in I N\end{array}\right.$
1. Calculer $\boldsymbol{U}_{\mathbf{1}} ; \boldsymbol{U}_{\mathbf{2}}$
2. Monter que $\forall n \in I N$ on a : $0 \leq U_{n} \leq 1$
3. On pose $V_{n}=\frac{U_{n}-1^{N}}{U_{n}+1}$ a. Monter que la suite $\left(V_{n}\right)$ est une suite géométrique b. Calculer $\boldsymbol{V}_{\boldsymbol{n}}$ puis $\boldsymbol{U}_{\boldsymbol{n}}$ en fonction de $n$ c. Calculer $S_{n}=\sum_{k=0}^{n} V_{n}$ d. Calculer $\lim V_{n} ; \lim U_{n}$ et $\lim S_{n}$

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Problem 15951

Find the interval(s) where the car moves left for $s(t)=-t^{3}+6 t^{2}+36 t+4$ with $t \geq 0$ .

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Problem 15952

Graph the equation $y=-2|x-1|+6$ and find the $x$ - and $y$ -intercepts. Choose the correct graph.

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Problem 15953

Find the slope and $y$ -intercept of the line given by $-3x - 5y = -20$ . Then, graph the line.

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Problem 15954

Find the ball's velocity when it first reaches $880 \mathrm{ft}$ , given $s(t)=-16 t^{2}+256 t$ .

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Problem 15955

目分六、(本题 20 分) $R_{D}=3 \mathrm{k} \Omega, R_{G}=10 \mathrm{M} \Omega, V_{G G}=2 \mathrm{~V}, V_{D D}=15 \mathrm{~V}, I_{D S S}=8 \mathrm{~mA}, V_{P}=4 \mathrm{~V}$ . (1) Calculate DC bias $V_{G S}, I_{D}$ , and $V_{D S}$ . (2) Draw the equivalent circuit for $A C$ analysis, and determine $\mathrm{g}_{\mathrm{m}}, \mathrm{Z}_{\mathrm{i}}, \mathrm{Z}_{0}$ and $\mathrm{A}_{\mathrm{v}}$ .

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Problem 15956

$f(x)=x e^{x}-x$ is concave up ou?

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Problem 15957

What type of interval is represented by the inequality $-2 \leq x < 6$ ?

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Problem 15958

Given the numbers: 7, 5, 7, 8, 9, 8, 1, 4, 5, 2. If 2 is replaced by 4, how does the median change?

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Problem 15959

Find the slope and $y$ -intercept of the line given by the equation: $-3x - 5y = -20$ .

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Problem 15960

Find the mean decrease when 1 replaces a 7 in the set {7, 8, 7, 7, 6, 1}.

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Problem 15961

Calculate the proportion of each survey response on job security and round to two decimal places based on frequencies: Very likely (429), Fairly likely (481), Not too likely (1950), Not likely (4927).

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Problem 15962

Find the decrease in the median of the set {40, 60, 31, 75, 49, 60, 75} if one 75 is replaced by 53.

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Problem 15963

Given the numbers 8, 3, 2, 7, 8, 9, 6, how much does the range decrease if 4 replaces 9?

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Problem 15964

In the set {1, 4, 1, 3, 1}, which number changes the most if 3 is replaced by 8?

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Problem 15965

Kathryn fills a $100 \mathrm{ft}^{3}$ container with sand at $1.25 \mathrm{ft}^{3} / \mathrm{min}$ . Find $V(t)$ and its domain.

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Problem 15966

Find the place value of the underlined digits in 652,831 and $3,879,000$ . Choices: A. Tens, B. Hundreds, C. Units, D. Hundred-thousands.

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Problem 15967

Determine which statistic (mean, median, or mode) changes most if one of the 80's in $\{80, 39, 35, 40, 80, 50\}$ is replaced with 50.

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Problem 15968

Write $1021_{\text {three }}$ in expanded form and convert it to base ten. Choose the correct expanded form.

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Problem 15969

Kathryn fills a $100 \mathrm{ft}^{3}$ container with sand at $1.25 \mathrm{ft}^{3}/\mathrm{min}$ . Find $V(t)$ for $t \in [0,4800]$ . Domain: $[0,80]$ , Range: ?

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Problem 15970

Find the interval(s) where the car slows down given $s(t)=-\frac{2 t^{3}}{3}+3 t^{2}+20 t-3$ , $t \geq 0$ .

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Problem 15971

A student claims 0 is the identity for subtraction. How should you respond? Choose A, B, or C.

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1 ...157 158 159 160

Analyze

Problem 15901

1) Let X={x∈Z:∣x∣≤3}X=\{x \in \mathbb{Z}:|x| \leq 3\}X={x∈Z:∣x∣≤3} and Y={−3,−2,−1,0,1,2,3}Y=\{-3,-2,-1,0,1,2,3\}Y={−3,−2,−1,0,1,2,3}. Then A) X⊊YX \subsetneq YX⊊Y B) X≠YX \neq YX=Y C) Y⊊XY \subsetneq XY⊊X D) X=YX=YX=Y E) NOTA

Problem 15902

Problem 15903

Problem 15904

Problem 15905

Problem 15906

18) (x+9)281+(y−5)236=1\frac{(x+9)^{2}}{81}+\frac{(y-5)^{2}}{36}=181(x+9)2​+36(y−5)2​=1

Problem 15907

Problem 15908

Problem 15909

rx 5 18) Δ\DeltaΔ (8)

Problem 15910

(2) Find the points of discontinuity of the function x2−3x−4x3−2x2−5x+6\frac{x^{2}-3 x-4}{x^{3}-2 x^{2}-5 x+6}x3−2x2−5x+6x2−3x−4​

Problem 15911

Find the intercepts of the line given by x−2y=4x - 2y = 4x−2y=4 and use them to graph the line.

Problem 15912

Identify the property shown: 7(y+2)=7y+147(y+2)=7y+147(y+2)=7y+14. Options: A. associative, B. distributive, C. commutative, D. associative.

Problem 15913

Identify the property shown: p⋅(r⋅q)=(p⋅r)⋅qp \cdot(r \cdot q)=(p \cdot r) \cdot qp⋅(r⋅q)=(p⋅r)⋅q. Choose A, B, C, or D.

Problem 15914

Identify the property shown: 2c⋅1=2c2c \cdot 1 = 2c2c⋅1=2c. Choose from: commutative, distributive, identity, inverse, or associative property.

Problem 15915

Find the xxx-intercept and yyy-intercept of the line 2x+4y=−82x + 4y = -82x+4y=−8 and use them to graph the line.

Problem 15916

Find (f∘g)(x)(f \circ g)(x)(f∘g)(x), (g∘f)(x)(g \circ f)(x)(g∘f)(x), and (f∘g)(3)(f \circ g)(3)(f∘g)(3) for f(x)=2x+1f(x)=2x+1f(x)=2x+1 and g(x)=x+34+xg(x)=\frac{x+3}{4+x}g(x)=4+xx+3​.

Problem 15917

Find the additive and multiplicative inverses of 8. a) Additive inverse: −8-8−8, b) Multiplicative inverse: 18\frac{1}{8}81​.

Problem 15918

Find the additive and multiplicative inverses of sss where s≠0s \neq 0s=0. What are these inverses?

Problem 15919

Determine the slope and yyy-intercept of the line given by the equation −6x−y=−1-6x - y = -1−6x−y=−1.

Problem 15920

Find the additive and multiplicative inverses of 8. a) Additive inverse: −8-8−8; b) Choose: A. 1/81/81/8 or B. No inverse.

Problem 15921

Find the additive and multiplicative inverses of 8. a) Additive inverse: b) Multiplicative inverse: 18\frac{1}{8}81​

Problem 15922

Find the equation of the line with a yyy-intercept of -7 and a slope of −13-\frac{1}{3}−31​.

Problem 15923

Find the additive inverse and multiplicative inverse of the expression −25-\frac{2}{5}−52​.

Problem 15924

Is the Hotel Capitale's weekly rate of 85,010 RP mid-range compared to \125to$175?Use125 to \$175? Use 125to$175?Use1 \mathrm{RP}=\0.0147 0.01470.0147 to calculate.

Problem 15925

Identify the property shown: 20c⋅1=20c20c \cdot 1 = 20c20c⋅1=20c. Options: inverse, commutative, associative, distributive, identity.

Problem 15926

Identify the property shown in: 5(z+4)=5z+20 5(z+4)=5z+20 5(z+4)=5z+20. Options: A. distributive, B. associative addition, C. associative multiplication, D. commutative multiplication.

Problem 15927

Identify the property shown by 3z⋅13z=13 z \cdot \frac{1}{3 z}=13z⋅3z1​=1. Choose from: A. inverse multiplication B. identity multiplication C. identity addition D. inverse addition.

Problem 15928

How many rows and columns must matrix AAA have to map R8\mathbb{R}^{8}R8 to R9\mathbb{R}^{9}R9 using T(x)=AxT(x)=A xT(x)=Ax? A. 9 rows, 9 columns B. 9 rows, 8 columns C. 8 rows, 8 columns D. 8 rows, 9 columns

Problem 15929

Complete the equation using the distributive property: 7(x+y+3)= 7(x+y+3)= 7(x+y+3)= 7(x+y+3)=7x+7y+21 7(x+y+3)=7x+7y+21 7(x+y+3)=7x+7y+21

Problem 15930

Problem 15931

Identify the property shown: q⋅(p−r)=(q⋅p)⋅rq \cdot(p-r)=(q \cdot p) \cdot rq⋅(p−r)=(q⋅p)⋅r. Choose: A. addition, B. multiplication commutative, C. multiplication associative, D. distributive.

Problem 15932

Find the additive and multiplicative inverses of −78-\frac{7}{8}−87​. a) Additive inverse: □\square□. b) Multiplicative inverse: A. □\square□ or B. No inverse.

Problem 15933

Name the following transition metal ions: Fe3+\mathrm{Fe}^{3+}Fe3+, Cu+\mathrm{Cu}^{+}Cu+, Zn2+\mathrm{Zn}^{2+}Zn2+, Fe2+\mathrm{Fe}^{2+}Fe2+, Ti4+\mathrm{Ti}^{4+}Ti4+.

Problem 15934

Find where the piecewise function f(x)f(x)f(x) is not continuous: f(x)={sin⁡xx<0x0≤x≤1−x+21<x<2x−3x≥2 f(x)=\left\{\begin{array}{cc} \sin x & x<0 \\ x & 0 \leq x \leq 1 \\ -x+2 & 1<x<2 \\ x-3 & x \geq 2 \end{array}\right. f(x)=⎩⎨⎧​sinxx−x+2x−3​x<00≤x≤11<x<2x≥2​

Problem 15935

Identify the first term of the expression 5s+35s + 35s+3. Is it a variable or constant term? State the variable and coefficient if it's variable.

Problem 15936

Identify the second term of the expression 5s+35s + 35s+3. Is it a variable or constant term? If variable, state the variable and coefficient.

Problem 15937

Find the slope of a line perpendicular and a line parallel to y=−25x+8y=-\frac{2}{5} x+8y=−52​x+8.

Problem 15938

Find the slope of a line parallel and a line perpendicular to y=3x−7y=3x-7y=3x−7.

Problem 15939

Find the slope of a line perpendicular and parallel to y=12xy=\frac{1}{2} xy=21​x.

Problem 15940

Graph the function f(x)=19x2f(x)=\frac{1}{9} x^{2}f(x)=91​x2 and find its domain and range.

Problem 15941

Find the velocity function v(t)v(t)v(t) for the hummingbird's position s(t)=−10t3−t−6s(t)=-10 t^{3}-t-6s(t)=−10t3−t−6 in feet.

Problem 15942

Graph the function f(x)=19x2f(x)=\frac{1}{9} x^{2}f(x)=91​x2 and find its domain and range. Choose from A, B, C, or D.

Problem 15943

\begin{align*} f(-6) &= 1, \\ f(-5) &= 3, \\ f(-2) &= 0, \\ f(-1) &= -1, \\ f(0) &= 0, \\ f(4) &= 4, \\ f(6) &= 2, \\ f(8) &= 2. \end{align*} Determine if the function f(x) f(x) f(x) is even, odd, or neither based on the given values.

1) Let $X=\{x \in \mathbb{Z}:|x| \leq 3\}$ and $Y=\{-3,-2,-1,0,1,2,3\}$ . Then A) $X \subsetneq Y$ B) $X \neq Y$ C) $Y \subsetneq X$ D) $X=Y$ E) NOTA

18) $\frac{(x+9)^{2}}{81}+\frac{(y-5)^{2}}{36}=1$

rx 5 18) $\Delta$ (8)

(2) Find the points of discontinuity of the function $\frac{x^{2}-3 x-4}{x^{3}-2 x^{2}-5 x+6}$

Find the intercepts of the line given by $x - 2y = 4$ and use them to graph the line.

Identify the property shown: $7(y+2)=7y+14$ . Options: A. associative, B. distributive, C. commutative, D. associative.

Identify the property shown: $p \cdot(r \cdot q)=(p \cdot r) \cdot q$ . Choose A, B, C, or D.

Identify the property shown: $2c \cdot 1 = 2c$ . Choose from: commutative, distributive, identity, inverse, or associative property.

Find the $x$ -intercept and $y$ -intercept of the line $2x + 4y = -8$ and use them to graph the line.

Find $(f \circ g)(x)$ , $(g \circ f)(x)$ , and $(f \circ g)(3)$ for $f(x)=2x+1$ and $g(x)=\frac{x+3}{4+x}$ .

Find the additive and multiplicative inverses of 8. a) Additive inverse: $-8$ , b) Multiplicative inverse: $\frac{1}{8}$ .

Find the additive and multiplicative inverses of $s$ where $s \neq 0$ . What are these inverses?

Determine the slope and $y$ -intercept of the line given by the equation $-6x - y = -1$ .

Find the additive and multiplicative inverses of 8. a) Additive inverse: $-8$ ; b) Choose: A. $1/8$ or B. No inverse.

Find the additive and multiplicative inverses of 8.
a) Additive inverse:
b) Multiplicative inverse: $\frac{1}{8}$

Find the equation of the line with a $y$ -intercept of -7 and a slope of $-\frac{1}{3}$ .

Find the additive inverse and multiplicative inverse of the expression $-\frac{2}{5}$ .

Is the Hotel Capitale's weekly rate of 85,010 RP mid-range compared to \ $125 to \$175? Use$ 1 \mathrm{RP}=\ $0.0147$ to calculate.

Identify the property shown: $20c \cdot 1 = 20c$ . Options: inverse, commutative, associative, distributive, identity.

Identify the property shown in: $5(z+4)=5z+20$ . Options: A. distributive, B. associative addition, C. associative multiplication, D. commutative multiplication.

Identify the property shown by $3 z \cdot \frac{1}{3 z}=1$ . Choose from: A. inverse multiplication B. identity multiplication C. identity addition D. inverse addition.

How many rows and columns must matrix $A$ have to map $\mathbb{R}^{8}$ to $\mathbb{R}^{9}$ using $T(x)=A x$ ? A. 9 rows, 9 columns B. 9 rows, 8 columns C. 8 rows, 8 columns D. 8 rows, 9 columns

Complete the equation using the distributive property: $7(x+y+3)=$ $7(x+y+3)=7x+7y+21$

Identify the property shown: $q \cdot(p-r)=(q \cdot p) \cdot r$ . Choose: A. addition, B. multiplication commutative, C. multiplication associative, D. distributive.

Find the additive and multiplicative inverses of $-\frac{7}{8}$ . a) Additive inverse: $\square$ . b) Multiplicative inverse: A. $\square$ or B. No inverse.

Name the following transition metal ions: $\mathrm{Fe}^{3+}$ , $\mathrm{Cu}^{+}$ , $\mathrm{Zn}^{2+}$ , $\mathrm{Fe}^{2+}$ , $\mathrm{Ti}^{4+}$ .

Find where the piecewise function $f(x)$ is not continuous:
$f(x)=\left\{\begin{array}{cc} \sin x & x<0 \\ x & 0 \leq x \leq 1 \\ -x+2 & 1<x<2 \\ x-3 & x \geq 2 \end{array}\right.$

Identify the first term of the expression $5s + 3$ . Is it a variable or constant term? State the variable and coefficient if it's variable.

Identify the second term of the expression $5s + 3$ . Is it a variable or constant term? If variable, state the variable and coefficient.

Find the slope of a line perpendicular and a line parallel to $y=-\frac{2}{5} x+8$ .

Find the slope of a line parallel and a line perpendicular to $y=3x-7$ .

Find the slope of a line perpendicular and parallel to $y=\frac{1}{2} x$ .

Graph the function $f(x)=\frac{1}{9} x^{2}$ and find its domain and range.

Find the velocity function $v(t)$ for the hummingbird's position $s(t)=-10 t^{3}-t-6$ in feet.

Graph the function $f(x)=\frac{1}{9} x^{2}$ and find its domain and range. Choose from A, B, C, or D.

\begin{align} f(-6) &= 1, \\ f(-5) &= 3, \\ f(-2) &= 0, \\ f(-1) &= -1, \\ f(0) &= 0, \\ f(4) &= 4, \\ f(6) &= 2, \\ f(8) &= 2. \end{align} Determine if the function $f(x)$ is even, odd, or neither based on the given values.

Determine if the car is moving left or right at $t=8$ for the function $s(t)=-4 t^{3}-10 t^{2}+t-4$ .

Find the acceleration function $a(t)$ for the particle with position $s(t)=-3t^{2}-t+1$ (in meters) at time $t$ .

Determine if the train, described by $s(t)=t^{4}-2 t^{3}-5 t^{2}+3$ , is speeding up or slowing down at $t=2$ seconds.

Find the interval(s) where the hummingbird slows down for $s(t)=-t^{3}+9 t^{2}-24 t-4$ , $t \geq 0$ .

Graph the function $f(x)=|x+4|-4$ and identify its domain and range.

Find the interval(s) where the car moves left for $s(t)=-t^{3}+6 t^{2}+36 t+4$ with $t \geq 0$ .

Graph the equation $y=-2|x-1|+6$ and find the $x$ - and $y$ -intercepts. Choose the correct graph.

Find the slope and $y$ -intercept of the line given by $-3x - 5y = -20$ . Then, graph the line.

Find the ball's velocity when it first reaches $880 \mathrm{ft}$ , given $s(t)=-16 t^{2}+256 t$ .

$f(x)=x e^{x}-x$ is concave up ou?

What type of interval is represented by the inequality $-2 \leq x < 6$ ?

Find the slope and $y$ -intercept of the line given by the equation: $-3x - 5y = -20$ .

Kathryn fills a $100 \mathrm{ft}^{3}$ container with sand at $1.25 \mathrm{ft}^{3} / \mathrm{min}$ . Find $V(t)$ and its domain.

Find the place value of the underlined digits in 652,831 and $3,879,000$ . Choices: A. Tens, B. Hundreds, C. Units, D. Hundred-thousands.

Determine which statistic (mean, median, or mode) changes most if one of the 80's in $\{80, 39, 35, 40, 80, 50\}$ is replaced with 50.

Write $1021_{\text {three }}$ in expanded form and convert it to base ten. Choose the correct expanded form.

Kathryn fills a $100 \mathrm{ft}^{3}$ container with sand at $1.25 \mathrm{ft}^{3}/\mathrm{min}$ . Find $V(t)$ for $t \in [0,4800]$ . Domain: $[0,80]$ , Range: ?

Find the interval(s) where the car slows down given $s(t)=-\frac{2 t^{3}}{3}+3 t^{2}+20 t-3$ , $t \geq 0$ .